[PATCH 08/12] net: stmmac: Add glue layer for StarFive JH7100 SoC

Andrew Lunn andrew at lunn.ch
Wed Feb 15 04:51:56 PST 2023


On Wed, Feb 15, 2023 at 02:08:01AM +0200, Cristian Ciocaltea wrote:
> On 2/11/23 18:11, Andrew Lunn wrote:
> > > +
> > > +#define JH7100_SYSMAIN_REGISTER28 0x70
> > > +/* The value below is not a typo, just really bad naming by StarFive ¯\_(ツ)_/¯ */
> > > +#define JH7100_SYSMAIN_REGISTER49 0xc8
> > 
> > Seems like the comment should be one line earlier?
> > 
> > There is value in basing the names on the datasheet, but you could
> > append something meaningful on the end:
> > 
> > #define JH7100_SYSMAIN_REGISTER49_DLYCHAIN 0xc8
> > 
> > ???
> 
> Unfortunately the JH7100 datasheet I have access to doesn't provide any
> information regarding the SYSCTRL-MAINSYS related registers. Maybe Emil
> could provide some details here?

If you have no reliable source of naming, just make a name up from how
the register is used. This is why i suggested adding _DLYCHAIN,
because that is what is written to it. You should be able to do the
same with register 28.

     Andrew



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